Anti Bodies
Monoclonal antibodies were first produced by

Sarkar and Sommer
Georges Kohler and Cesar Milstein
Selman Waksman
Edward Jenner and Louis Pasteur

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Anti Bodies
Each IgA antibody molecule consists of

four polypeptide chain and has two antigen binding site
three polypeptide chain and has two antigen binding site
two polypeptide chain and has two antigen binding site
two polypeptide chain and has one antigen binding site

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Anti Bodies
Monoclonal refers to

the binding with same antigenic site with identical binding affinities
a single clone of antibody-producing cells
all the antibody molecules which are identical
All of these

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Anti Bodies
Antibodies in the human immune system can identify approximately 108 different molecules Which one of the following is correct?

Most of these antibodies recognize proteins
Most of these antibodies recognize small organic molecules
Many of these molecules are self-antigens
This diversity is generated from 108 different immunoglobin genes

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